Secure Image Encryption with Optimized Chaotic Sequences and Multi-layer Cryptographic Operations

Security protection for digital images remains a fundamental issue in contemporary communication systems because it enables secure medical imaging, remote sensing operations, and secure transmission of multimedia content. This research develops an enhanced image encryption method that employs optimi...

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Bibliographic Details
Published in:SN computer science Vol. 6; no. 7; p. 879
Main Authors: Sethi, Jagannath, Mishra, Sudhansu Kumar, Dash, Prajna Parimita, Bhutani, Monica
Format: Journal Article
Language:English
Published: Singapore Springer Nature Singapore 07.10.2025
Springer Nature B.V
Subjects:
Algorithms
Biometrics
Communication
Communications systems
Computer Imaging
Computer Science
Computer Systems Organization and Communication Networks
Cryptography
Cybersecurity
Data Structures and Information Theory
Diffusion
Efficiency
Encryption
Entropy
Field programmable gate arrays
Information Systems and Communication Service
Internet of Things
Literature reviews
Medical imaging
Methods
Multilayers
Multimedia
Neural networks
Optimization
Original Research
Parameter sensitivity
Pattern Recognition and Graphics
Permutations
Pixels
Remote sensing
Security systems
Software Engineering/Programming and Operating Systems
Statistical analysis
Surveillance
Vision
Cryptographic security
Hybrid chaotic encryption
Multi-Layer substitution
Differential attack resistance
Adaptive permutation
Secure image transmission
Random key generation
IoT security
ISSN:2661-8907, 2662-995X, 2661-8907
Online Access:Get full text
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Summary:Security protection for digital images remains a fundamental issue in contemporary communication systems because it enables secure medical imaging, remote sensing operations, and secure transmission of multimedia content. This research develops an enhanced image encryption method that employs optimised hybrid chaotic mappings, adaptive permutation, and complex substitution layer procedures. The methodology surpasses ordinary encryption methods using one-dimensional maps because it utilizes various chaotic sequences to improve randomness, initial condition sensitivity, and control parameter responsiveness. Pixel permutation occurs through an adaptive key generation process, leading to a multi-stage encryption operation performed through XOR diffusion with modular transformations. Many experimental tests prove that the proposed method provides a solid defence against statistical and differential attacks. Compared to modern image encryption methods, the developed technique achieved better results in correlation reduction, entropy, Number of Pixels Change Rate (NPCR), and Unified Average Changing Intensity (UACI). This framework establishes scalability with optimal functionality for low-resource usage in security systems linked to IoT networks.
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ISSN:2661-8907
2662-995X
2661-8907
DOI:10.1007/s42979-025-04407-1